.container {
    width: 1200px; 
    margin-right: auto; 
    margin-left: auto;
    /* background-color: #ccc; */
    height: 100vh;
  }
html,body{
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
}